oj.uz

Submission #1065127

# Submission time Handle Problem Language Result Execution time Memory
1065127 2024-08-18T23:47:44 Z vjudge1 Longest Trip (IOI23_longesttrip) C++17
60 / 100
 902 ms 1420 KB 
#include "longesttrip.h"
#include<bits/stdc++.h>
using namespace std;
vector<int>adj[256];
bitset<256>vis;
void dfs(int n){
    if(vis[n])return;
    vis[n]=1;
    for(auto i:adj[n])
        dfs(i);
}
vector<int>path;
void dfs2(int n){
    path.push_back(n);
    vis[n]=1;
    for(auto i:adj[n])
        if(!vis[i])
            return dfs2(i);
}
vector<int> longest_trip(int N, int D){
    for(int i=0;i<N;i++)
        adj[i].clear();
    for(int i=1;i<N;i++) for(int j=i;j--;)
        if(are_connected({i},{j}))
            adj[i].push_back(j),
            adj[j].push_back(i);
    vis.reset();
    dfs(0);
    if(vis.count()!=N){
        vector<int>a,b;
        for(int i=0;i<N;i++)
            if(!vis[i])
                a.push_back(i);
            else b.push_back(i);
        return a.size()>b.size()?a:b;
    }
    for(int i=0;i<N;i++) {
        vis.reset();
        path.clear();
        dfs2(i);
        if(path.size()==N)
            return path;
        for(auto x:adj[i])
            if(!vis[x]) {
                vector<int>v2;
                vis[x]=1;
                for(int i=0;i<N;i++)
                    if(!vis[i])v2.push_back(i);
                v2.push_back(x);
                for(auto i:path)
                    v2.push_back(i);
                return v2;
            }
    }
    vector<int>b;
    for(int i=0;i<N;i++)
        if(!vis[i])
            b.push_back(i);
    return path.size()>b.size()?path:b;
}

Compilation message

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:29:19: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |     if(vis.count()!=N){
      |        ~~~~~~~~~~~^~~
longesttrip.cpp:41:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   41 |         if(path.size()==N)
      |            ~~~~~~~~~~~^~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 166 ms 828 KB Output is correct

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 22 ms 344 KB Output is correct
3 Correct 161 ms 344 KB Output is correct
4 Correct 407 ms 716 KB Output is correct
5 Correct 842 ms 592 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 21 ms 344 KB Output is correct
3 Correct 150 ms 344 KB Output is correct
4 Correct 413 ms 480 KB Output is correct
5 Correct 826 ms 1100 KB Output is correct
6 Correct 7 ms 344 KB Output is correct
7 Correct 21 ms 344 KB Output is correct
8 Correct 155 ms 344 KB Output is correct
9 Correct 288 ms 460 KB Output is correct
10 Correct 850 ms 964 KB Output is correct
11 Correct 828 ms 1408 KB Output is correct
12 Correct 871 ms 1124 KB Output is correct
13 Correct 818 ms 1204 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Correct 21 ms 344 KB Output is correct
3 Correct 156 ms 344 KB Output is correct
4 Correct 437 ms 588 KB Output is correct
5 Correct 839 ms 1120 KB Output is correct
6 Correct 11 ms 344 KB Output is correct
7 Correct 24 ms 344 KB Output is correct
8 Correct 154 ms 344 KB Output is correct
9 Correct 303 ms 460 KB Output is correct
10 Correct 804 ms 848 KB Output is correct
11 Correct 830 ms 1212 KB Output is correct
12 Correct 822 ms 704 KB Output is correct
13 Correct 873 ms 1104 KB Output is correct
14 Correct 7 ms 344 KB Output is correct
15 Correct 12 ms 344 KB Output is correct
16 Correct 34 ms 344 KB Output is correct
17 Correct 89 ms 344 KB Output is correct
18 Correct 155 ms 436 KB Output is correct
19 Correct 304 ms 456 KB Output is correct
20 Correct 298 ms 456 KB Output is correct
21 Correct 844 ms 1420 KB Output is correct
22 Correct 843 ms 1016 KB Output is correct
23 Correct 879 ms 848 KB Output is correct
24 Correct 883 ms 1268 KB Output is correct
25 Correct 7 ms 344 KB Output is correct
26 Correct 8 ms 344 KB Output is correct
27 Correct 28 ms 344 KB Output is correct
28 Correct 19 ms 344 KB Output is correct
29 Correct 22 ms 340 KB Output is correct
30 Correct 230 ms 600 KB Output is correct
31 Correct 228 ms 436 KB Output is correct
32 Correct 217 ms 344 KB Output is correct
33 Correct 324 ms 700 KB Output is correct
34 Correct 308 ms 344 KB Output is correct
35 Correct 280 ms 600 KB Output is correct
36 Correct 850 ms 1360 KB Output is correct
37 Correct 812 ms 1200 KB Output is correct
38 Correct 831 ms 704 KB Output is correct
39 Correct 825 ms 1172 KB Output is correct
40 Correct 891 ms 996 KB Output is correct
41 Correct 890 ms 804 KB Output is correct
42 Correct 863 ms 984 KB Output is correct
43 Correct 781 ms 1156 KB Output is correct
44 Correct 814 ms 772 KB Output is correct
45 Correct 8 ms 344 KB Output is correct
46 Correct 7 ms 344 KB Output is correct
47 Correct 16 ms 344 KB Output is correct
48 Correct 23 ms 344 KB Output is correct
49 Correct 24 ms 344 KB Output is correct
50 Correct 195 ms 600 KB Output is correct
51 Correct 204 ms 600 KB Output is correct
52 Correct 191 ms 600 KB Output is correct
53 Correct 309 ms 344 KB Output is correct
54 Correct 324 ms 596 KB Output is correct
55 Correct 284 ms 476 KB Output is correct
56 Correct 902 ms 788 KB Output is correct
57 Correct 842 ms 756 KB Output is correct
58 Correct 807 ms 1092 KB Output is correct
59 Correct 818 ms 916 KB Output is correct
60 Correct 779 ms 1164 KB Output is correct
61 Correct 862 ms 548 KB Output is correct
62 Correct 799 ms 852 KB Output is correct
63 Correct 850 ms 960 KB Output is correct
64 Correct 842 ms 812 KB Output is correct

Subtask #4
19.999999998 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Correct 25 ms 344 KB Output is correct
3 Partially correct 121 ms 344 KB Output is partially correct
4 Partially correct 388 ms 464 KB Output is partially correct
5 Partially correct 827 ms 732 KB Output is partially correct
6 Correct 12 ms 344 KB Output is correct
7 Correct 22 ms 344 KB Output is correct
8 Partially correct 151 ms 344 KB Output is partially correct
9 Partially correct 317 ms 600 KB Output is partially correct
10 Partially correct 863 ms 948 KB Output is partially correct
11 Partially correct 837 ms 848 KB Output is partially correct
12 Partially correct 879 ms 992 KB Output is partially correct
13 Partially correct 844 ms 720 KB Output is partially correct
14 Correct 5 ms 340 KB Output is correct
15 Correct 11 ms 344 KB Output is correct
16 Correct 38 ms 344 KB Output is correct
17 Partially correct 100 ms 344 KB Output is partially correct
18 Partially correct 152 ms 344 KB Output is partially correct
19 Partially correct 325 ms 700 KB Output is partially correct
20 Partially correct 320 ms 712 KB Output is partially correct
21 Correct 8 ms 344 KB Output is correct
22 Correct 9 ms 344 KB Output is correct
23 Correct 22 ms 344 KB Output is correct
24 Correct 19 ms 344 KB Output is correct
25 Correct 25 ms 344 KB Output is correct
26 Partially correct 233 ms 344 KB Output is partially correct
27 Partially correct 193 ms 344 KB Output is partially correct
28 Partially correct 190 ms 344 KB Output is partially correct
29 Partially correct 333 ms 440 KB Output is partially correct
30 Partially correct 343 ms 460 KB Output is partially correct
31 Partially correct 295 ms 344 KB Output is partially correct
32 Correct 6 ms 344 KB Output is correct
33 Correct 9 ms 344 KB Output is correct
34 Correct 22 ms 344 KB Output is correct
35 Correct 30 ms 344 KB Output is correct
36 Correct 33 ms 344 KB Output is correct
37 Partially correct 205 ms 460 KB Output is partially correct
38 Partially correct 206 ms 600 KB Output is partially correct
39 Partially correct 188 ms 344 KB Output is partially correct
40 Partially correct 317 ms 600 KB Output is partially correct
41 Partially correct 281 ms 344 KB Output is partially correct
42 Partially correct 308 ms 592 KB Output is partially correct
43 Partially correct 778 ms 1144 KB Output is partially correct
44 Partially correct 833 ms 900 KB Output is partially correct
45 Partially correct 801 ms 848 KB Output is partially correct
46 Partially correct 850 ms 1136 KB Output is partially correct
47 Partially correct 828 ms 896 KB Output is partially correct
48 Partially correct 810 ms 1168 KB Output is partially correct
49 Partially correct 891 ms 908 KB Output is partially correct
50 Partially correct 825 ms 1216 KB Output is partially correct
51 Partially correct 855 ms 1000 KB Output is partially correct
52 Partially correct 781 ms 1260 KB Output is partially correct
53 Partially correct 890 ms 1032 KB Output is partially correct
54 Partially correct 864 ms 1208 KB Output is partially correct
55 Partially correct 882 ms 848 KB Output is partially correct
56 Partially correct 810 ms 940 KB Output is partially correct
57 Partially correct 803 ms 1044 KB Output is partially correct
58 Partially correct 824 ms 1232 KB Output is partially correct
59 Partially correct 824 ms 784 KB Output is partially correct
60 Partially correct 817 ms 848 KB Output is partially correct
61 Partially correct 816 ms 796 KB Output is partially correct
62 Partially correct 822 ms 1252 KB Output is partially correct
63 Partially correct 813 ms 1136 KB Output is partially correct
64 Partially correct 818 ms 1128 KB Output is partially correct
65 Partially correct 805 ms 960 KB Output is partially correct
66 Partially correct 839 ms 908 KB Output is partially correct
67 Partially correct 830 ms 872 KB Output is partially correct
68 Partially correct 847 ms 808 KB Output is partially correct
69 Partially correct 835 ms 956 KB Output is partially correct
70 Partially correct 835 ms 1156 KB Output is partially correct
71 Partially correct 826 ms 868 KB Output is partially correct
72 Partially correct 812 ms 932 KB Output is partially correct
73 Partially correct 792 ms 1068 KB Output is partially correct
74 Partially correct 864 ms 1080 KB Output is partially correct
75 Partially correct 798 ms 776 KB Output is partially correct
76 Partially correct 806 ms 1104 KB Output is partially correct
77 Partially correct 894 ms 1204 KB Output is partially correct
78 Partially correct 793 ms 1184 KB Output is partially correct
79 Partially correct 833 ms 1268 KB Output is partially correct
80 Partially correct 881 ms 944 KB Output is partially correct
81 Partially correct 840 ms 1108 KB Output is partially correct
82 Partially correct 878 ms 1104 KB Output is partially correct